This Toner Refill Cartridge Replaces the HP Q2612A Toner Cartridge. This a high yield version of the 12A cartridge, We call it the 12X, it is a 3,000 page yield instead of the standard 2,000 Page yield. A.K.A Q2612X
Known to work in the following Machines:
HP Laserjet 1010
HP Laserjet 1012
HP Laserjet 1015
HP Laserjet 1018
HP Laserjet 1020
HP Laserjet 1022
HP Laserjet 1022 n
HP Laserjet 1022 nw
HP Laserjet 3015
HP Laserjet 3020
HP Laserjet 3030
HP Laserjet 3050
HP Laserjet 3052
HP Laserjet 355
HP Laserjet M1319 f
HP M1005 mfp